3.1 Starting the PBXWARNINGMake sure that the AC outlet is properly earthed, then securely connect the 3-pin AC plug includingthe earthed pin.CAUTION• Use only the AC power cord included with the PBX.• Before touching the product (PBX, cards, etc.), discharge static electricity by touching ground orwearing an earthing strap. Failure to do so may cause the PBX to malfunction due to static electricity.• Once you have started the PBX, if you unplug the PBX, do not initialise it again as described in "SystemInitialisation Procedure". Otherwise, your programmed data will be cleared.• The power supply cord is used as the main disconnect device. Ensure that the AC outlet is locatednear the equipment and is easily accessible.NoteAn Uninterruptible Power Supply (UPS) can be connected to the PBX. A UPS provides temporal power tothe PBX in the event of power failure. If the recommended UPS is connected to the PBX and a powerfailure occurs, the PBX can perform automatic shutdown to prevent data loss or corruption when the UPSbattery ratio is at a specified rate. For more information about UPSs, refer to the Installation Manual.Installing the Hook Clip for the AC Power Cord1. Insert the hook clip into the hook clip hole.NoteUse only the hook clip included with the PBX.20 Getting Started3.1 Starting the PBX